P4A20

P4A20 Ford engine fault code diagnosis, code meaning,symptoms and how to fix it.

P4A20 Diagnosis

The output circuits that are powered by VBAT3 will all be inoperative. Other fault codes may be present, but troubleshoot for this first. The fuse in the main PDM powering this circuit may be open.The BHM is detecting more than one smart switch with the same ID number present on the vehicle. The outputs controlled by the switch and the indicator in the switch are commanded FF.

The End of Frame air output circuit is commanded OFF, but air pressure is detected at the pressure feedback switch. Troubleshoot for an End of Frame air solenoid fault, and for an air pressure switch short circuit fault.

Ford P4A20 Fault Code Meaning :

Ford P4A20 Symptoms :

Ford P4A20 Reasons :

How To Fix Ford P4A20 Trouble Code ?

Which Ford cars have the code P4A20?

  • P4A20 Ford Aerostar
  • P4A20 Ford Bronco
  • P4A20 Ford C-Max
  • P4A20 Ford C-Max Energi
  • P4A20 Ford C-Max Hybrid
  • P4A20 Ford Contour
  • P4A20 Ford Crown Victoria
  • P4A20 Ford EcoSport
  • P4A20 Ford Econoline
  • P4A20 Ford Edge
  • P4A20 Ford Escape
  • P4A20 Ford Escape Hybrid
  • P4A20 Ford Escort
  • P4A20 Ford Everest
  • P4A20 Ford Excursion
  • P4A20 Ford Expedition
  • P4A20 Ford Explorer
  • P4A20 Ford Explorer Sport Trac
  • P4A20 Ford F-150
  • P4A20 Ford F-250
  • P4A20 Ford F-350
  • P4A20 Ford Fiesta
  • P4A20 Ford Flex
  • P4A20 Ford Focus
  • P4A20 Ford Focus Electric
  • P4A20 Ford Freestar
  • P4A20 Ford Freestyle
  • P4A20 Ford Fusion
  • P4A20 Ford Fusion Energi
  • P4A20 Ford Fusion Hybrid
  • P4A20 Ford Fusion Plug-In Hybrid
  • P4A20 Ford GT
  • P4A20 Ford Mustang
  • P4A20 Ford Mustang Mach-E
  • P4A20 Ford Mystique
  • P4A20 Ford Probe
  • P4A20 Ford Ranger
  • P4A20 Ford Taurus
  • P4A20 Ford Taurus X
  • P4A20 Ford Tempo
  • P4A20 Ford Thunderbird
  • P4A20 Ford Transit
  • P4A20 Ford Transit Connect
  • P4A20 Ford Windstar

A code is a fault code and it indicates that something has gone wrong with your car's engine.

It can be caused by many different problems, including a faulty battery, a bad fuel pump, or even a cracked exhaust manifold.

You will need to diagnose the problem before you can fix it. The best way to do this is with an OBD scanner tool.

A scan tool will tell you what needs fixing and how much it will cost in order to fix that particular issue.